油污乳化剂也叫去油预洗剂，是一种浓缩液体去污剂。对于台布、口布、工服等重污垢的织物，特别是粘有矿物油的织物，用强力洗衣粉或通用洗衣粉都难以洗净。为更有效地洗涤重垢织物，通常将乳化剂与洗衣粉配合使用，共同发挥去油、去污能力。也可将乳化剂用作预去污剂使用，先涂于重油污处，利用乳化剂的增溶作用，将油污增溶、溶解，然后再将织物投入洗衣机，按正常洗涤程序洗涤。

Emulsified is a kind of comdense detergent. Punchy Powder or Versatile Powder cleans thoroughly. The heavy-dirt fabric is difficult, such as tabecloth, towel and smock.

Usually mix Emulsified eith Detergent Powder together for cleaning more powerfully. Or put the Emulsifier on the dirty place in heavy oil first, kispersal and dissolve the dirt. Then put fabric into the washing machine, according to the procedure of normal to wash.